20878814
Descripción
Test por Sylas Eckhart, actualizado hace más de 1 año
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Creado por Sylas Eckhart
hace casi 5 años
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Pregunta 1
Pregunta
What is permafrost?
Respuesta
-
Permanently frosty water surface
-
ground frozen for 2 or more years
-
a seasonal event: whenever the temperature drops below 0C
-
a stabilizing refrigeration technique for oil exploration at high latitudes
Pregunta 2
Pregunta
What causes glaciers to flow?
Respuesta
-
magnetism
-
centripetal force
-
tectonic force
-
gravity
-
geothermal heat
Pregunta 3
Pregunta
90% of Earthquake's epicenters located at
Respuesta
-
the center of tectonic plates
-
tectonic plate boundaries
Pregunta 4
Pregunta
Which of the following is NOT true of P-waves?
Respuesta
-
Result from compression of material in direction of travel
-
Travel the fastest, first wave to be recorded on a seismograph
-
Similar to sound waves
-
Travel through solids only
Pregunta 5
Pregunta
Which of the following is NOT a line of evidence for the theory of plate tectonics?
Respuesta
-
fossil/assemblages across oceans
-
seismic waves
-
continental fit
-
glacial striation at low latitudes (today)
-
paleographic reconstructions
Pregunta 6
Pregunta
Deep earthquakes form at which type of boundary
Respuesta
-
convergent
-
divergent
-
transform
-
none of the above
Pregunta 7
Pregunta
Metamorphic rocks can result due to what processes?
Respuesta
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exposure to high temperature
-
exposure to water
-
exposure to high pressure
-
exposure to chemically active fluids
Pregunta 8
Pregunta
Fracture zones occur as a result of which type of boundary
Respuesta
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tectonic
-
divergent
-
transform
-
none of these
Pregunta 9
Pregunta
The photosynthetic rate and atmospheric temperature feedback is:
Respuesta
-
positive
-
negative
Pregunta 10
Pregunta
Rank the size of terrestrial carbon cycle reservoir:
1st [blank_start]-[blank_end]
2nd [blank_start]-[blank_end]
3rd [blank_start]-[blank_end]
4th [blank_start]-[blank_end]
Respuesta
-
Sedimentary Rocks
-
Soil and Sediments
-
Plants
-
Consumers
-
Metamorphic Rocks
-
Passive Margins
Pregunta 11
Pregunta
Weathering of sedimentary rocks formed from organic matter
Respuesta
-
ultimately returns CO2 to the atmosphere
-
ensues oxidation
-
is a fast process
Pregunta 12
Pregunta
Match with the appropriate depth:
Crust [blank_start]-[blank_end]
Asthenosphere [blank_start]-[blank_end]
Mantle [blank_start]-[blank_end]
Outer Core [blank_start]-[blank_end]
Inner Core [blank_start]-[blank_end]
Respuesta
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5-100km
-
100-200km
-
200-3,000 km
-
3,000–5,000 km
-
5,000–6,000 km
-
7,000-10,000 km
-
1,000-5,000 km
-
50-5,000km
-
4,000-10,00km
-
200-700km
Pregunta 13
Respuesta
-
basalt
-
Granite
-
Metamorphic Rock
-
Sedimentary Rock
-
Carbon
-
Lead
-
2.9g/cm3
-
4.0g/cm3
-
5.7g/cm3
-
2.7g/cm3
-
10.4g/cm3
-
1.5g/cm3
-
7-10km
-
25-70km
-
<200 million years
-
>4 billion years
Pregunta 14
Pregunta
The accumulation of particles into a massive object by gravitationally attracting more matter is the definition of which astronomical process?
Respuesta
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aggregation
-
accretion
-
condensation
-
none of the above
Pregunta 15
Pregunta
During the formation of the moon, the iron core of the impactor was incorporated into the Earth's core
Respuesta
- True
- False
Pregunta 16
Pregunta
The group of elements and chemical compounds with low boiling points that are associated with a planet's or moon's crust or atmosphere are:
Respuesta
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refractory substances
-
water, methane, and ammonia
-
volatiles
Pregunta 17
Respuesta
-
fastest
-
second fastest
-
third fastest
-
slowest
-
Solid & liquid
-
Solid only
-
Earth's Surface
-
Pushes & Pulls
-
shear
-
Up and down, forward and back
-
side to side
Pregunta 18
Pregunta
The core is predominantly composed of
Respuesta
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carbon
-
nickel
-
granite
-
hydrogen
-
iron
-
silver
Pregunta 19
Pregunta
The geomagnetic field is generated by
Respuesta
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solar radiation
-
moon's gravitation pull
-
greenhouse gases
-
convection in the core
-
deep ocean currents
-
diverging plate boundaries
Pregunta 20
Pregunta
Magnetic stripes on the ocean floor are evidence of:
Respuesta
-
carbon cycling
-
magnetic field reversal
-
earthquakes
-
transforming plate boundaries
-
diverging plate boundaries
-
converging plate boundaries
-
carbon dating
-
Potassium & Argon dating
Pregunta 21
Pregunta
The crust closest to the divergent plate boundary will be [blank_start]newer,[blank_end] where the crust further away will be [blank_start]older[blank_end].
Respuesta
-
younger
-
older
-
younger
-
older
Pregunta 22
Pregunta
Which of the following are true due to paleomagnetism
Respuesta
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Rocks at the equator will have a low angle
-
Rocks at the equator will form quicker
-
can determine the distance from the equator
-
steep angle at the poles
Pregunta 23
Pregunta
Ablation at the surface is a leading cause of mass loss in which ice sheet?
Respuesta
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Antarctica
-
Greenland
Pregunta 24
Pregunta
The photosynthetic rate and atmospheric carbon dioxide feedback is
Respuesta
-
negative
-
positive
Pregunta 25
Pregunta
The carbon 13 and carbon 12 isotopic ratio is used to
Respuesta
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determine the sulfur content of fossils
-
estimate atmospheric oxygen levels in the past
-
estimate rate of carbon burial in the past
-
determine the age of bones in your body
Pregunta 26
Pregunta
Which statement is TRUE about the origin of life on Earth
Respuesta
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life could not have been delivered from outside of the Earth as there is no evidence for organic compounds from space
-
the origin of life could not have occurred at 100 degrees C as it is too hot for any kind of life to survive.
-
Theory and experiments demonstrate that organic compounds can be created from inorganic compounds via a chemical reaction.
-
the earliest life on the earth was probably some small plants
Pregunta 27
Pregunta
Which of the following are types of geologic evidence used to study the rise of atmospheric O2
Respuesta
-
paleosols
-
detritral pyrite
-
banded iron formations
-
detrital uranium
-
all of the above
Pregunta 28
Pregunta
Complete the residence time formula
[blank_start]Reservoir size[blank_end]
__________________
[blank_start]output (or input)[blank_end]
Respuesta
-
Reservoir size
-
output (or input)
Pregunta 29
Pregunta
Complete the equation for ocean acidification:
[blank_start]CO2[blank_end] + [blank_start]H20[blank_end] ↔ [blank_start]H2CO3[blank_end] ↔ [blank_start]HCO3[blank_end] + [blank_start]H+[blank_end] ↔[blank_start]CO3[blank_end] + [blank_start]2H+[blank_end]
Respuesta
-
CO2
-
H20
-
H2CO3
-
HCO3
-
H+
-
CO3
-
2H+
Pregunta 30
Pregunta
Which of the following are used to calculate carbon flux?
Respuesta
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Respiration
-
photosynthesis
-
burial
-
radioactive isotopes
-
magnetic strips
-
decay
-
weathering
-
oxygen minimum zone
-
Coriolis effect
Pregunta 31
Pregunta
Which was the first oxygenic photosynthetic organism was the
Respuesta
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eukaryote
-
cyanobacteria
-
hematite
-
methanogens
-
single-celled fungi
Pregunta 32
Respuesta
-
Igneous Rocks
-
Sediments
-
Sedimentary Rocks
-
Metamorphic Rocks
Pregunta 33
Pregunta
Complete the equation for silicate weathering
[blank_start]CaSiO3[blank_end] + [blank_start]2H20[blank_end] + [blank_start]2CO2[blank_end] ↔ [blank_start]Ca[blank_end] + [blank_start]2HCO3[blank_end] + [blank_start]SiO2[blank_end] + [blank_start]H20[blank_end]
Respuesta
-
CaSiO3
-
2H20
-
2CO2
-
Ca
-
2HCO3
-
SiO2
-
H20
Pregunta 34
Pregunta
Carbonate precipitation
[blank_start]Ca[blank_end] + [blank_start]2HCO3[blank_end] ↔ [blank_start]CaCO3[blank_end] + [blank_start]H2O[blank_end] + [blank_start]CO2[blank_end]
Respuesta
-
Ca
-
2HCO3
-
CaCO3
-
H2O
-
CO2
Pregunta 35
Pregunta
Complete the buffer reaction:
[blank_start]CO2[blank_end] + [blank_start]CO3[blank_end] + [blank_start]H2O[blank_end] ↔ [blank_start]2HCO3[blank_end]
A buffer reaction will cause a [blank_start]not net change[blank_end] in pH in the ocean.
Respuesta
-
CO2
-
CO3
-
H2O
-
2HCO3
-
no net change
-
positive change
-
negative change
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